Initially, the torso of the shirt was foliage green with the
Army Strong logo centered on the chest (removed in later versions); the arms are in the
Universal Camouflage Pattern similar to the
Army Combat Uniform, with integrated anti-abrasion
elbow pads. No-seam shoulders minimize rubbing or chafing against armor. With the adoption of the
MultiCam (OEF-CP) pattern for use in Afghanistan, a version was made with a Tan 498 body and MultiCam sleeves. When the US Army adopted the
Operational Camouflage Pattern starting in 2015, a third variant became available which complies to the US Army uniform regulations code AR 670-1 (Wear and Appearance of Army Uniform and Insignia) with a tan/green body (Tan 499) and sleeves in the OCP pattern. Other features include a double pen pocket on the lower arm, zippered storage pockets on the upper arm, concealable
infrared identification tabs, and a place to attach name, rank, and flag on the upper arm. There are two styles of the ACS available for soldiers. The Type I has a mock turtle neck and the Type II has a Mandarin style collar with a 3/4 zipper on the chest/neck. The features of all three shirts, besides the collar differences from the two types, are all the same. The ACS is constructed of three flame-resistant performance fabrics proprietary to TenCate Protective Fabrics or Massif Mountain Gear Company. The shirt’s torso is constructed of two highly breathable flame-resistant fabrics with advanced moisture management capabilities. Both fabrics wick moisture away from the skin and dry rapidly, preventing the fabrics from sticking to the user’s skin in order to reduce heat stress and greatly increase comfort when wearing body armor. The sleeves and side panels of the shirt are constructed of a lightweight, but durable and abrasion-resistant fabric designed to provide extra protection for areas not protected by body armor. All three fabrics feature 4-way stretch for enhanced performance and user comfort. ==See also==